The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jul. 28, 2015

Filed:

Aug. 24, 2012
Applicants:

Nadine Essayem, Saint Just Chaleyssin, FR;

Rodrigo Lopez DE Souza, Rio de Janerio, BR;

Franck Rataboul, Lyons, FR;

Aude-claire Doiseau, Lyons, FR;

Inventors:

Nadine Essayem, Saint Just Chaleyssin, FR;

Rodrigo Lopez De Souza, Rio de Janerio, BR;

Franck Rataboul, Lyons, FR;

Aude-Claire Doiseau, Lyons, FR;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C07D 307/48 (2006.01); C07D 307/50 (2006.01);
U.S. Cl.
CPC ...
C07D 307/48 (2013.01); C07D 307/50 (2013.01);
Abstract

The invention relates to a method for preparing furfural by reacting pentose in water and in the presence of carboxylic acid and of a heterogeneous acid catalyst, the method being conducted in an aqueous solution of carboxylic acid as a reaction medium. The present invention also relates to the preparation of furfural by reaction of pentose in water and in the presence of carboxylic acid and of a heterogeneous acid catalyst. The invention also relates to an aqueous solution of carboxylic acid rich in furfural.


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